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多孔锂-硅薄膜锂离子电池负极材料的电沉积制备及其电化学性能

吕荣冠 杨军 王久林 努丽燕娜

物理化学学报2011,Vol.27Issue(4):759-763,5.
物理化学学报2011,Vol.27Issue(4):759-763,5.

多孔锂-硅薄膜锂离子电池负极材料的电沉积制备及其电化学性能

Electrodeposition and Electrochemical Property of Porous Li-Si Film Anodes for Lithium-Ion Batteries

吕荣冠 1杨军 1王久林 1努丽燕娜1

作者信息

  • 1. 上海交通大学化学化工学院,上海200240
  • 折叠

摘要

Abstract

Porous Li-Si thin films (LSFs) were prepared by a multi-step constant current electrodeposition onto Cu foil. The structure and morphology of the electrodeposited films were characterized using X-ray diffraction (XRD) and scanning electron microscopy (SEM). As anodes for Li-ion batteries, Li-Si films give high cycling stability, adjustable Li-storage capacity and initial coulombic efficiency under different a part of the volume change during Li insertion/extraction and this favors the structural stability.

关键词

多孔锂-硅薄膜/电沉积/库仑效率/负极材料/锂离子电池

Key words

Porous Li-Si film/Electrodeposition/Coulombic efficiency/Anode material/Lithium-ion battery

分类

化学化工

引用本文复制引用

吕荣冠,杨军,王久林,努丽燕娜..多孔锂-硅薄膜锂离子电池负极材料的电沉积制备及其电化学性能[J].物理化学学报,2011,27(4):759-763,5.

基金项目

The project was supported by the National Natural Science Foundation of China (20873085).国家自然科学基金(20873085)资助项目 (20873085)

物理化学学报

OA北大核心CSCDCSTPCDSCI

1000-6818

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